package com.atguigu.springcloud.controller;


import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author xiaolong
 * @version 1.0
 * @description: TODO
 * @date 2021/9/2 16:35
 */
@RestController
@Slf4j
public class PaymentController {

    @Autowired
    private PaymentService paymentService;

    //端口号
    @Value("${server.port}")
    private String serverPort;

    @Autowired
    private DiscoveryClient discoveryClient;


    /**
     * @param
     * @return
     * @description: 添加记录
     */
    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*****插入结果:" + result);

        if (result > 0) {
            return new CommonResult(200, "插入数据库成功,serverPort:" + serverPort, result);
        } else {
            return new CommonResult(444, "插入数据库失败", null);
        }
    }


    /**
     * @param
     * @return
     * @description: 查询记录
     */
    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") Long id) {
        Payment payment = paymentService.getPaymentById(id);
        log.info("*****查询结果:" + payment);

        if (payment != null) {
            return new CommonResult(200, "查询成功,serverPort:" + serverPort, payment);
        } else {
            return new CommonResult(444, "没有对应记录,查询id:" + id, null);
        }
    }


    /**
     * @param
     * @return
     * @description: 用于服务发现，查看当前服务下的所有信息
     */
    @GetMapping("/payment/discovery")
    public Object discovery() {
        //注册在eureka中的所有微服务
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("*****element" + element);
        }
        //获取服务名下注册的所有信息（各个主机的相关信息）
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            //instance.getServiceId()服务名
            log.info(instance.getServiceId() + "\t" + instance.getHost() + "\t" + instance.getPort() + "\t" + instance.getUri());

        }

        return this.discoveryClient;
    }


    @GetMapping(value = "/payment/lb")
    public String getServerPort() {
        return serverPort;
    }


    /**
     * @param
     * @return
     * @description: 模拟超时
     */
    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeOut() throws Exception {
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        int age = 10 / 0;
        System.out.println("调用成功返回端口号为:" + serverPort);
        return serverPort;
    }


    @GetMapping("/payment/zipkin")
    public String paymentZipkin() {
        return "hi,i'am paymentzipkin server fall back,welcaome";
    }
}
